Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ramon Hofer-Kraner0
Date of Patent
April 30, 2019
0Patent Application Number
154660900
Date Filed
March 22, 2017
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The invention is based on a sun protection device, in particular sun spectacles, with at least one optical sun protection filter comprising at least one liquid-crystal cell, with at least one sensor unit configured for capturing a solar irradiation, and with at least one control and/or regulation unit, which is configured for controlling and/or regulating a permeability of the optical sun protection filter depending on a solar irradiation.
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